when a man is about to fuck a woman he is about to throw the dick down. Usually when a man throws the dick down he will first swing his penis from side to side and then vigorously slap his penis on the girl's stomach. He then will repeat the phrase "I am about to throw the dick down!" Two to four times while gyrating his hips. After he is done throwing the dick down, the man will then ask the girl, "Are you addicted to what the dick did?"

I threw the dick down last night!
I am going to throw the dick down like it has never been thrown before.